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Official data from INPI

VAGAO TANQUE FERROVIARIO AQUECIDO

ConcedidaInvention Patent

Application data

Number

PI8307406

Type

Invention Patent

Filing

06/07/1982

Publication

05/08/1984

Progress at the INPI

  1. Filing06/07/82
  2. Publication05/08/84
  3. Examination03/19/85
  4. Allowance07/14/87
  5. Grant01/26/88
  6. Terminated05/30/95

The patent was granted on 01/26/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 01/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LOEVINGER RICHARD P [US]

Inventors

L. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/26/1988

RPI 901

Notificação para pagamento de retribuição

#13.1

11/10/1987

RPI 890

Deferimento

#9.1

07/14/1987

RPI 873

Exigência - art. 36 da LPI

#6.1

09/23/1986

RPI 831

Conhecimento de parecer técnico

#7.1

10/15/1985

RPI 782

Solicitação de exame técnico

#4.1

03/19/1985

RPI 752

Notificação de entrada na fase nacional - PCT

#1.3

05/08/1984

RPI 707

Anuidade - prazo legal encerrado

#18.2

05/30/1995

RPI 1278

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